| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| LBZ-Leighton Buzzard NE | 9.03 km | 140.1° | Next, R=5.00 km, Angle=90.0° |
| BLY-Bletchley | 9.00 km | 325.9° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| BNW-Bicester North West | 34.61 km | 260.5° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| NOS-Northampton South | 33.90 km | 38.7° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| DUNstable Airfield | 42.18 km | 145.8° | Line 3.00 km, Angle=125.0° |
| Total: | 119.70 km | ||